679155343 has 2 divisors, whose sum is σ = 679155344. Its totient is φ = 679155342.

The previous prime is 679155341. The next prime is 679155353. The reversal of 679155343 is 343551976.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 679155343 - 2¹ = 679155341 is a prime.

It is a super-2 number, since 2×679155343² = 922503959850895298, which contains 22 as substring.

Together with 679155341, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 679155343.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (679155341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 339577671 + 339577672.

It is an arithmetic number, because the mean of its divisors is an integer number (339577672).

Almost surely, 2^679155343 is an apocalyptic number.

679155343 is a deficient number, since it is larger than the sum of its proper divisors (1).

679155343 is an equidigital number, since it uses as much as digits as its factorization.

679155343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 340200, while the sum is 43.

The square root of 679155343 is about 26060.6090297215. The cubic root of 679155343 is about 879.0016842632.

The spelling of 679155343 in words is "six hundred seventy-nine million, one hundred fifty-five thousand, three hundred forty-three".